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Grand Prix 506K: Looking for circuit diagram, drawing, repair manual, service manual

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Hi there, 

I 'm pleased to own a B&O radio Grand Prix 506K of the 50's that I may qualify of Hi-End radio set of that era. It is equipped with a Horn compression driver for high frequencies, a large rising up station  selection window and a beautiful wood case from Art deco design.  But some power resistors are missing inside so that I cannot repair it.

I would need at list its circuitry diagram and repair/service manual would be of great interest for me. 

Thank you for your help.

Jean-Christophe from Versailles area in France.

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Top 10 Contributor
Copenhagen / Denmark
12,667 Posts
Dillen replied on Mon, May 11 2020 10:08 PM

Grand Prix 506K was an update of Grand Prix 505K.
The servicemanual for the 506K is merely an addendum to the 505K manual.
Ideally you should get both.


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